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为了提高抽水蓄能电站的经济效益,研制了水头700 m、出力400 MW的高水头、大容量单级水泵水轮机。研制这种水轮机的关键技术课题是,开发动应力小、疲劳强度高的转轮。
In order to improve the economic benefits of pumped storage power station, a high-head and large-capacity single-stage pump turbine with a head of 700 m and output of 400 MW was developed. The key technical issue for developing such a turbine is to develop runners with low dynamic stress and high fatigue strength.